WN 138 then WN 694 at Denver
Minneapolis → Denver → Detroit
Timetable, Denver time
13:25WN 138 from Minneapolis at the gate
17:55WN 694 to Detroit leaves the gate
4 h 30 apart on the timetable
The last days
WN 138 and WN 694 weren’t both flown 15 min to 12 h apart in the last 21 days.
Statistics from past flights, not live flight information. Always check times and your connection with your airline, and don’t base travel or booking decisions on these numbers.